Whats the answer 100 points please have source to back it up

I would say C.

Explanation:

This makes sense because if people are moving into cities after factories are made, they're most likely in search for a job.

probally   a few days after there called

the citation´s place is in position 4.

as carl becker

pointed out during the rise of european fascism after world war i

for democracy to prosper, it needs “a certain measure of economic security”

.

example (johnson 4)